1) Medical treatment 
[medical and related uses] Proteases (also sometimes referred to as proteolytic enzymes or peptidases) are in use, or have been proposed or tried, for a number of purposes related to medicine or surgery. Some preparations involving protease have undergone successful clinical trials and have regulatory authorization; and some further ones ha...
Enzymes that degrade protein molecules. ... (14 Nov 1997) ... 
Enzymes that break down proteins in the body.